Same for me here, iPhone 7 with iOS 14.2 update. Went to bed with 100% and woke up 6 hrs later on 30%. I literally sit on couch for 2 minutes and watch it go from 30 to 24% battery. When charging my phone now it takes forever to charge and almost never gets to 100% charged anymore. Also like others I can feel how warm the phone is now even when not using it. Apple really needs to fix this issue ASAP or provide new phones for everyone experiencing this issue. So frustrating.
MrDirector
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Bowling Green, KY, United States